Yate is a next-generation telephony engine. While currently focused on Voice over Internet Protocol (VoIP) and PSTN, its power lies in its ability to be easily extended. It supports SIP, H.323, IAX, MGCP, Jingle, Jabber, E1, T1, analogic, robbed bit, ISDN PRI, BRI, and SS7. YateClient is an Instant Messenger and Voice application for Jabber/Jingle IM, SIP, H.323, and IAX VoIP protocols.

Transcribe! is an assistant for working out a
piece of music from a recording. It offers many
features aimed at making the transcription job
smoother and easier, including the ability to slow
down the music without changing its pitch, and to
analyse chords and show you what notes are present.

RetroShare is a cross-platform private P2P sharing program. Using a web-of-trust to authenticate peers and OpenSSL to encrypt all communication, it lets you securely share files, chat, messages, forums, and interest and communication channels with your friends.

Sqlkit provides a GUI named sqledit to edit data in a database, as well as a package (sqlkit) in PyGtk. Sqledit (the application) can be run from the command line with arguments and will pop directly into the table/mask of the data, or without arguments and will present an input mask to write the database URL. Sqlkit (the Python package) provides SqlMask and
SqlTable, two widgets for editing database data. It is
meant to be used as a base for database desktop
applications.

Tiny Marbles is a Java-based content management system for articles, images, MP3 files, and videos. It enables you to interactively organize and manage content and media files in an easy and intuitive way. The system is designed to manage a large number of users as well.

Graudit is a simple script and signature sets that allows you to find potential security flaws in source code using the GNU utility, grep. It's comparable to other static analysis applications like RATS, SWAAT, and flaw-finder while keeping the technical requirements to a minimum and being very flexible.